High efficiency stove and zero-clearance fireplace insert



FIG. 1 is a front elevational view of a high efficiency stove and zero clearance fireplace insert, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof.

The flue pipe is shown broken off in all views in which it appears to indicate indeterminate length. 

The ornamental design for a high efficiency stove and zero-clearance fireplace insert, as shown and described. 